Portable laptop computer



FIG. 1 is a front, top and right side perspective of a portable laptop computer showing our new design;

FIG. 2 is a rear, bottom and right side perspective view thereof;

FIG. 3 is a front, top and right side perspective view thereof with the cover in the closed position.

The left side elevational view is a mirror image of the right. 

The ornamental design for a portable laptop computer, as shown and described. 